# Heltec Wireless Tracker ESP32-S3FN8

> Documentation for the Heltec Wireless Tracker, a compact development kit based on ESP32-S3FN8 with integrated SX1262 LoRa transceiver and UC6580 multi-constellation GNSS receiver. Supports WiFi, Bluetooth 5, LoRa, and L1+L5 GNSS positioning (GPS, GLONASS, BDS, Galileo, NAVIC, QZSS). Two hardware variants: LF (470-510 MHz) and HF (863-928 MHz).

## Getting Started

- [Overview](https://heltec-tracker.warehack.ing/getting-started/overview/): Introduction, key features, and what's in the box
- [Hardware Versions](https://heltec-tracker.warehack.ing/getting-started/hardware-versions/): V1.0 vs V1.1 differences and identification
- [Development Platforms](https://heltec-tracker.warehack.ing/getting-started/development-platforms/): Arduino, ESP-IDF, and MicroPython setup

## Hardware Reference

- [Specifications](https://heltec-tracker.warehack.ing/hardware/specifications/): Complete technical specs, power consumption, RF parameters, GNSS accuracy, physical dimensions
- [Pinout](https://heltec-tracker.warehack.ing/hardware/pinout/): GPIO assignments for both headers (J2/J3), peripheral pin mappings, code examples
- [Power](https://heltec-tracker.warehack.ing/hardware/power/): Power supply options, battery charging, Vext control, sleep modes
- [Schematic](https://heltec-tracker.warehack.ing/hardware/schematic/): Block diagram, component reference tables for power, LoRa, GNSS, display, and USB circuits

## Guides

- [Meshtastic Low Power](https://heltec-tracker.warehack.ing/guides/meshtastic-low-power/): Optimized power settings for extended battery life with Meshtastic firmware
- [Heart Rate Monitor](https://heltec-tracker.warehack.ing/guides/heart-rate-monitor/): Building a LoRaWAN health sensor with SnapEmu integration
- [LoRaWAN Setup](https://heltec-tracker.warehack.ing/guides/lorawan-setup/): Connecting to The Things Network and SnapEmu platforms

## Reference

- [GNSS Protocol](https://heltec-tracker.warehack.ing/reference/gnss-protocol/): UC6580 NMEA sentence reference, UFirebird protocol commands
- [LoRa Frequencies](https://heltec-tracker.warehack.ing/reference/lora-frequencies/): Regional frequency plans (EU868, US915, AU915, CN470, AS923, etc.)
- [FAQ](https://heltec-tracker.warehack.ing/reference/faq/): Common issues with GNSS, LoRa, display, power, and programming

## Optional

- [Downloads](https://heltec-tracker.warehack.ing/resources/downloads/): Links to datasheets, schematics, and firmware